Step-by-step explanation:
2(19.2) + 4(x + 7)
= 66.4 + 4x
= 4(16.6 + x)in
Answer:
P(X=5)=0.1032
Step-by-step explanation:
This variable can be modeled by a binomial distribution, with parameters n=15 (sample size) and p=0.2 (the individual probability that the company use a consultant).
The probability that k companies that outsource overseas use a consultant can be written as:

Then, the probability that exactly five companies that outsource overseas use a consultant is:

Answer:
4/10 maybe cuz 12 divided by 30 is 0.4 and 0.4 would be 4/10
Answer: 3
Step-by-step explanation: